From 2a3a93ef0ba5166e8b5766bb232f216fd412d40b Mon Sep 17 00:00:00 2001 From: wenxu Date: Fri, 5 Jul 2019 21:16:37 +0800 Subject: netfilter: nft_meta_bridge: Add NFT_META_BRI_IIFVPROTO support This patch allows you to match on bridge vlan protocol, eg. nft add rule bridge firewall zones counter meta ibrvproto 0x8100 Signed-off-by: wenxu Reviewed-by: Nikolay Aleksandrov Signed-off-by: Pablo Neira Ayuso --- net/bridge/netfilter/nft_meta_bridge.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'net/bridge') diff --git a/net/bridge/netfilter/nft_meta_bridge.c b/net/bridge/netfilter/nft_meta_bridge.c index 9487d42f657a..bed66f536b34 100644 --- a/net/bridge/netfilter/nft_meta_bridge.c +++ b/net/bridge/netfilter/nft_meta_bridge.c @@ -49,6 +49,17 @@ static void nft_meta_bridge_get_eval(const struct nft_expr *expr, nft_reg_store16(dest, p_pvid); return; } + case NFT_META_BRI_IIFVPROTO: { + u16 p_proto; + + br_dev = nft_meta_get_bridge(in); + if (!br_dev || !br_vlan_enabled(br_dev)) + goto err; + + br_vlan_get_proto(br_dev, &p_proto); + nft_reg_store16(dest, p_proto); + return; + } default: goto out; } @@ -75,6 +86,7 @@ static int nft_meta_bridge_get_init(const struct nft_ctx *ctx, len = IFNAMSIZ; break; case NFT_META_BRI_IIFPVID: + case NFT_META_BRI_IIFVPROTO: len = sizeof(u16); break; default: -- cgit v1.2.3